Health- Enhancing : to prevent deficiencies, improve recovery or relieve pain Type purpose and main function ideal users multi-vitamins nutrients of food, prevention from chronic disease all healthy adults, unless medical reasons prevail protein for increased needs of exercisers not meeting protein requirements individuals not meeting protein requirements for health or cosmetic reasons antioxidants to eliminate free radical cells that damage important cells, aids recovery all healthy adults, unless medical reasons prevail calcium increases bone health and density individuals not meeting requirements or unable to consume dairy products iron prevents iron-deficiency anemia, improve performance females menstruating or pregnant or serious male athletes Ergogenic/Hypertrophic Compounds: to improve performance and muscular work capacity Type purpose and main function ideal users creatine increase phosphocreatine store in order to increase force output, delay fatigue and buffers lactate experience athletes that which to gain muscle l- glutamine enhance glycogen resynthesis and overall recovery from repeated bouts experience athletes participating in endurance activities BCAA aids in muscle recovery by providing additional energy subtrate athletes that train in high intensity workouts for extended and frequent periods phosphate delays fatigue by increasing oxygen delivery to muscles while buffering lactate for endurance or aerobic athletes in high intensity activities ginseng Reduces stress throught the hypothalamus/pituitary axis, while increase energy productivity highly stressed individuals Thermogenic : body fat reduction and increasing metabolism Type purpose and main function ideal users lipotropics speeds up fat metabolism by enhancing liver functions overweight individuals seeking to lose body fat pyruvate speeds up energy wasting cycles, and expenditure any individual that wished to enhance body fat reduction without affecting the nervous system ephedrine increase metabolic rate through thermogenesis of the skeletal muscles individuals not sensitive to stimulants that wish to control food intake caffeine increases fat oxidation to spare glycogen, delays fatigue, increases energy experienced aerobic athletes HCA hydroxy citric acid enhance energy wasting cycles by controlling appetite individuals seeking to enhance body fat reduction without affecting the nervous system. [|]